Stumbling & stalling off idle - bad gas?
This is for a SBC 350. Car runs fine on the highway and in park, but at a light she starts shaking a little, then off-idle she shuts off. She starts right up after. This happened mostly on some short hills.
Put in some seafoam and filled the tank with premium, she is running a little better, she stays alive but still stumbles. Should I add heet and change the fuel filter?
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461ci, Edelbrock 72cc heads, KB 15cc dished pistons, comp xe274, PRW 1.5 roller rockers, Performer RPM intake, Holley 80508 750cfm, RARE oversized manifolds, Pypes X-pipe Exhaust
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